package com.pig4cloud.pigx.mp.handler;

import com.pig4cloud.pigx.mp.builder.TextBuilder;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.common.session.WxSessionManager;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.message.WxMpXmlMessage;
import me.chanjar.weixin.mp.bean.message.WxMpXmlOutMessage;
import me.chanjar.weixin.mp.bean.result.WxMpUser;
import org.springframework.stereotype.Component;

import java.util.Map;

/**
 * @author Binary Wang(https://github.com/binarywang)
 */
@Slf4j
@Component
public class SubscribeHandler extends AbstractHandler {

	@Override
	public WxMpXmlOutMessage handle(WxMpXmlMessage wxMessage,
									Map<String, Object> context, WxMpService weixinService,
									WxSessionManager sessionManager) throws WxErrorException {

		log.info("新关注用户 OPENID: " + wxMessage.getFromUser());

		// 获取微信用户基本信息
		try {
			WxMpUser userWxInfo = weixinService.getUserService()
					.userInfo(wxMessage.getFromUser(), null);
			if (userWxInfo != null) {
				// TODO 可以添加关注用户到本地数据库
			}
		} catch (WxErrorException e) {
			log.error("该公众号没有获取用户信息失败！" , e);
		}


		WxMpXmlOutMessage responseResult = null;
		try {
			responseResult = this.handleSpecial(wxMessage);
		} catch (Exception e) {
			log.error(e.getMessage(), e);
		}

		if (responseResult != null) {
			return responseResult;
		}

		try {
			return new TextBuilder().build("感谢关注" , wxMessage, weixinService);
		} catch (Exception e) {
			log.error(e.getMessage(), e);
		}

		return null;
	}

	/**
	 * 处理特殊请求，比如如果是扫码进来的，可以做相应处理
	 */
	private WxMpXmlOutMessage handleSpecial(WxMpXmlMessage wxMessage)
			throws Exception {
		//TODO
		return null;
	}

}
